Model
TC Sounds LMS-ULTRA 5400 18
Rating
DIAM
18"
FS(Hz)
20.5
VAS(l)
240.7
QTS
0.33
PWR(W)
8000
SPL(dB)
89.7
IMP(Ohm)
2x2
avb
NOPROD
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.
Thiele-Small Parameters
Fs(Hz)
20.5
Vas(l)
240.7
Qts
0.33
Qms
7.6
Qes
0.34
Bl(Tm)
26.8
Mms(gr)
501
Cms(mm/N)
0.12
Rms(kg/s)
8.496
Le(mH)
1.96
Re(Ohm)
3.8
Sd(sq.mm)
118924
Vd(l)
4.003
X-max(mm)
34
X-mech(mm)
0
General Parameters
Diameter (inch)
18
Max Power(W.)
8000
RMS Power(W.)
2000
Number of Coils
2
Impedance Z-Nom(Ohm)
2
Reference efficiency η0(%)
0.59
Sensitivity(dB) 1-W
89.7
Sensitivity(dB) 2.8-V
92.9
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
470
Cutout Diameter (mm)
428
Mounting Depth (mm)
293
Magnet Diameter (mm)
263
Optimum Enclosures
Enclosures
Closed, Vented, BP4, BP6
